Uploaded February 2021 | Updated September 2026, 3 weeks ago

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What is the theory behind black holes? What are black holes? How do black holes work? What's inside a black hole? How do black holes warp spacetime? Why can't light escape from a black hole? What's the difference between stellar mass black holes and supermassive black holes?
Welcome to the Black Hole Tour! In part one, we cover the theory behind black holes and why middle schoolers are the worst. RIP Science Tommy.

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The background to our logo was based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA).

docs.google.com/document/d/1-UqobMKXmTEAJWbXt3Jky6VoZAT9AGfm6A6iLJsXRXA/edit?usp=sharing